[c-nsp] Switchport link-state loss behaviour

[Bruce Pinsky]

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Brett Looney wrote:
> Greets,
> 
> I have a requirement where I need a switchport (as it happens a trunk port 
> on a 3750) to go into an administratively down (or err-disable - I don't 
> mind) state when it loses link state. That is, if it regains link state 
> again I don't want it to come back up until an administrator modifies the 
> port state.
> 
> I know I can do this with a SNMP trap and get a management station to 
> modify the switchport (via SNMP/telnet/SSH - whatever) but I would really 
> like it to happen on the switch itself. Plus, there's always the risk that 
> the SNMP trap will go missing and then the port will just come back up on 
> its own...
> 
> Is there any automagic way to do this?
> 

What about "errdisable flap-setting cause link-flap"?

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/12_1e/comref/i1.htm#wp1351916

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bep

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